| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but not before [pron] [vb past] | 41 |
|
| 2 | but not [conj] he [vb past] | 20 |
|
| 3 | but [adv] before he [vb past] | 18 |
|
| 4 | [conj] not before he [vb past] | 15 |
|
| 5 | [coord] not before he [vb past] | 14 |
|
| 6 | but not before he [verb] | 14 |
|
| 7 | but not before he [vb past] | 14 |
|
